Analysis

  • max time kernel
    94s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 01:42

General

  • Target

    b98888db466f82e02704c2ce13fd717c490b8a136fe41a2e56cd3f283240332f.dll

  • Size

    120KB

  • MD5

    bb95d58530ab9ff27543a4a43ee47b55

  • SHA1

    e2d20aeecb70cbe9414510ca09126c00ef4a7a8f

  • SHA256

    b98888db466f82e02704c2ce13fd717c490b8a136fe41a2e56cd3f283240332f

  • SHA512

    142d6d0d15cc6ccba0f6d762837ab7a338fecf4a76c6bfc246715ab0fbc865b96fbda481fe65aab88b2fea94535a28827af55b650f8846fa9beae99bc6b23341

  • SSDEEP

    1536:MP1yCugTdpTc5XnzNEQyesvPX2o2pYv8HOo0l9wXRghTNNkTnIQgCMLJpKj3J:MP0gdVGBEQyBPv2pYTok98IqvMLv0

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

Signatures

  • Modifies firewall policy service 3 TTPs 6 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 4 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 14 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • UPX packed file 29 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 3 IoCs
  • Drops file in Windows directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:788
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:796
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:316
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2652
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2664
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2844
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3488
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b98888db466f82e02704c2ce13fd717c490b8a136fe41a2e56cd3f283240332f.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:4472
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b98888db466f82e02704c2ce13fd717c490b8a136fe41a2e56cd3f283240332f.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:4672
                      • C:\Users\Admin\AppData\Local\Temp\e5771a6.exe
                        C:\Users\Admin\AppData\Local\Temp\e5771a6.exe
                        4⤵
                        • Modifies firewall policy service
                        • UAC bypass
                        • Windows security bypass
                        • Executes dropped EXE
                        • Windows security modification
                        • Checks whether UAC is enabled
                        • Enumerates connected drives
                        • Drops file in Program Files directory
                        • Drops file in Windows directory
                        • System Location Discovery: System Language Discovery
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:3684
                      • C:\Users\Admin\AppData\Local\Temp\e5772de.exe
                        C:\Users\Admin\AppData\Local\Temp\e5772de.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:2068
                      • C:\Users\Admin\AppData\Local\Temp\e579839.exe
                        C:\Users\Admin\AppData\Local\Temp\e579839.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:1976
                      • C:\Users\Admin\AppData\Local\Temp\e579848.exe
                        C:\Users\Admin\AppData\Local\Temp\e579848.exe
                        4⤵
                        • Modifies firewall policy service
                        • UAC bypass
                        • Windows security bypass
                        • Executes dropped EXE
                        • Windows security modification
                        • Checks whether UAC is enabled
                        • Enumerates connected drives
                        • Drops file in Windows directory
                        • System Location Discovery: System Language Discovery
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:5108
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3632
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3848
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3940
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4000
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:4088
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:3844
                            • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
                              "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
                              1⤵
                                PID:4116
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:1040
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:1120

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e5771a6.exe

                                    Filesize

                                    97KB

                                    MD5

                                    fb794dba4a1289b139b744da70fed17d

                                    SHA1

                                    2f587d049567fc3e8a26eb58f813e723967db0ad

                                    SHA256

                                    8d4c798892106cc5426f55d239ea8e867402b8bb9c63ae7868ad037431f8d404

                                    SHA512

                                    b6e3fd2226c40d5287f26e65e295ca490c08c68b6a54c9e33634312c4fbbf3853f73a3bf07a2ce89a5342e2bf292ff71917c19da46d8c8c38be83bef7ac18a7a

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    257B

                                    MD5

                                    8fe7aacc5c82007dfb34987f3cee3c67

                                    SHA1

                                    b68c7296c8f4897d0febd839280791e2f40023d7

                                    SHA256

                                    b40660f16bc46345c20a3b077b64759b7c08d94355bac65d5270c10a37cc47da

                                    SHA512

                                    65535292a7948453b25273064ebdd0653b831973818bcb9688f0ecc98ebacc45b5e8bc9cba545361b62677d3cfb356768dd1a7684d1a1a3f20813e6365a3ad35

                                  • memory/1976-140-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/1976-66-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1976-62-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/1976-59-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2068-57-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2068-107-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2068-64-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2068-34-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2068-56-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3684-54-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3684-28-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3684-22-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3684-26-0x0000000001AF0000-0x0000000001AF2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3684-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3684-10-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3684-8-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3684-16-0x0000000001B00000-0x0000000001B01000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3684-6-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3684-29-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3684-35-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3684-37-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3684-36-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3684-38-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3684-39-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3684-40-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3684-9-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3684-86-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3684-30-0x0000000001AF0000-0x0000000001AF2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3684-103-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3684-83-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3684-27-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3684-80-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3684-12-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3684-78-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3684-75-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3684-11-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3684-67-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3684-68-0x0000000001AF0000-0x0000000001AF2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3684-69-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3684-71-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3684-72-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3684-74-0x0000000000870000-0x000000000192A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4672-23-0x00000000043D0000-0x00000000043D2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4672-33-0x00000000043D0000-0x00000000043D2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4672-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/4672-13-0x00000000043D0000-0x00000000043D2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4672-14-0x0000000004460000-0x0000000004461000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/5108-65-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/5108-63-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/5108-61-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/5108-53-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/5108-119-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/5108-160-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/5108-159-0x0000000000B30000-0x0000000001BEA000-memory.dmp

                                    Filesize

                                    16.7MB